function showP(s) {
  var show = document.getElementById("show");
  show.innerHTML = s;
}
function getParameter(name) {
  var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
  var r = window.location.search.substr(1).match(reg);
  if (r != null)
    return unescape(r[2]);
  return null;
}
function skip(s) {
  window.location.href = s;
}